摘要
基于海洋模式HYCOM（Hybrid Coordinate Ocean Model），利用大小区嵌套技术，分别对全球海洋和西北太平洋进行了网格嵌套数值模拟，研究了吕宋海峡海域环流场的季节性变化。考虑全球海洋环流影响的西北太平洋模式，成功地刻画了黑潮的流结构及季节变化。吕宋海峡海洋环流流场在不同深度处差异较大，存在着明显的季节变化。黑潮入侵南海主要发生在500m深度以上，冬季最明显，夏秋两季不明显。在500m层常年存在一支南海暖流流入西北太平洋，在800rn层南海暖流消失。一年四季黑潮主要通过吕宋海峡的南部和中部进入南海。1000m层流场表明，黑潮主要通过吕宋海峡的中部入侵南海。在800～1000m处主要是黑潮水流人南海。
In this paper the global structure of oceanic circulations firstly is simulated with a Hybrid Coordinate Ocean Model （HYCOM）. The characteristics of the currents in China adjacent seas and their seasonal variation are successfully simulated with the reasonable open boundary conditions from global ocean model. Through the analysis of the flow field in Luzon Strait, we found that the flow field in the different depths were different and there was obvious seasonal variation in horizontal flow field. The invasion of Kuroshio happened mainly in the above 500 m in winter and there was not obvious invasion in Summer and Autumn. The Warm Current in the South China Sea existed in the depth of 500 m throughout the year and it disappeared in the depth of 800 m. The flow field in the depth of 800 m showed that the invasion of Kuroshio mainly happened in the middle of Luzon Strait, but the outflow of the water in the South China Sea only happened in the North of Luzon Strait in Spring and Summer. The flow field in the depth of 1 000 m also showed that the invasion of Kuroshio mainly happened in the middle of Luzon Strait.
出处
《中国海洋大学学报（自然科学版）》
CAS
CSCD
北大核心
2014年第3期1-9,共9页
Periodical of Ocean University of China
基金
国家海洋局海洋公益性行业科研专项项目(201205032
201005019)
科技部对欧盟科技合作专项(0816)资助
